diff options
Diffstat (limited to 'drivers/block/drbd/drbd_int.h')
-rw-r--r-- | drivers/block/drbd/drbd_int.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 79c69ebb0653..5136510ec8be 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -850,6 +850,13 @@ enum { AL_SUSPENDED, /* Activity logging is currently suspended. */ AHEAD_TO_SYNC_SOURCE, /* Ahead -> SyncSource queued */ STATE_SENT, /* Do not change state/UUIDs while this is set */ + + CALLBACK_PENDING, /* Whether we have a call_usermodehelper(, UMH_WAIT_PROC) + * pending, from drbd worker context. + * If set, bdi_write_congested() returns true, + * so shrink_page_list() would not recurse into, + * and potentially deadlock on, this drbd worker. + */ }; struct drbd_bitmap; /* opaque for drbd_conf */ |